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Finding the Fourth Proportional to 303,036.08, 418,192.72 and 167,075.44

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Solution

The fourth proportional to 303,036.08, 418,192.72 and 167,075.44 is: 230,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,036.08 : 418,192.72 = 167,075.44 : x
  2. Step 2: Convert to fraction form
    303,036.08/418,192.72 = 167,075.44/x
  3. Step 3: Cross multiply
    303,036.08x = 418,192.72 × 167,075.44
  4. Step 4: Simplify right side
    303,036.08x = 69,869,732,698.80
  5. Step 5: Solve for x
    x = 69,869,732,698.80/303,036.08
  6. Step 6: Final answer
    x = 230,565.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.